./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1131a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1131a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b31ce7f7c4676859cda30df478f5c182e9a7ecf5b09749c2174b3af169f370c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:28:19,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:28:19,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:28:19,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:28:19,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:28:19,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:28:19,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:28:19,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:28:19,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:28:19,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:28:19,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:28:19,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:28:19,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:28:19,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:28:19,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:28:19,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:28:19,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:28:19,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:28:19,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:28:19,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:28:19,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:28:19,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:28:19,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:28:19,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:28:19,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:28:19,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:28:19,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:28:19,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:28:19,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:28:19,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:28:19,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:28:19,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:28:19,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:28:19,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:28:19,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:28:19,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:28:19,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:28:19,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:28:19,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:28:19,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:28:19,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:28:19,765 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-13 01:28:19,822 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:28:19,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:28:19,823 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:28:19,823 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:28:19,823 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:28:19,823 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:28:19,824 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:28:19,824 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 01:28:19,824 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:28:19,824 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:28:19,824 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 01:28:19,825 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 01:28:19,825 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:28:19,825 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 01:28:19,825 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 01:28:19,825 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 01:28:19,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:28:19,826 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 01:28:19,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 01:28:19,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 01:28:19,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:28:19,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:28:19,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:28:19,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:28:19,833 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:28:19,833 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 01:28:19,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:28:19,833 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:28:19,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:28:19,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:28:19,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:28:19,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:28:19,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:28:19,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:28:19,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:28:19,837 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 01:28:19,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 01:28:19,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:28:19,838 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:28:19,838 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:28:19,839 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b31ce7f7c4676859cda30df478f5c182e9a7ecf5b09749c2174b3af169f370c [2021-11-13 01:28:20,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:28:20,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:28:20,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:28:20,221 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:28:20,222 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:28:20,224 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/float-newlib/double_req_bl_1131a.c [2021-11-13 01:28:20,308 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/data/5954e3f32/cf8b739ef252476494e4bf78eaf0ad9e/FLAG1ccda5f35 [2021-11-13 01:28:20,986 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:28:20,987 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c [2021-11-13 01:28:20,996 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/data/5954e3f32/cf8b739ef252476494e4bf78eaf0ad9e/FLAG1ccda5f35 [2021-11-13 01:28:21,303 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/data/5954e3f32/cf8b739ef252476494e4bf78eaf0ad9e [2021-11-13 01:28:21,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:28:21,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:28:21,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:28:21,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:28:21,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:28:21,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:28:21" (1/1) ... [2021-11-13 01:28:21,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@780dbfd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:21, skipping insertion in model container [2021-11-13 01:28:21,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:28:21" (1/1) ... [2021-11-13 01:28:21,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:28:21,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:28:21,659 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c[4189,4202] [2021-11-13 01:28:21,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:28:21,671 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 01:28:21,724 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c[4189,4202] [2021-11-13 01:28:21,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:28:21,743 INFO L208 MainTranslator]: Completed translation [2021-11-13 01:28:21,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:21 WrapperNode [2021-11-13 01:28:21,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:28:21,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 01:28:21,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 01:28:21,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 01:28:21,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:21" (1/1) ... [2021-11-13 01:28:21,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:21" (1/1) ... [2021-11-13 01:28:21,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 01:28:21,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 01:28:21,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 01:28:21,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 01:28:21,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:21" (1/1) ... [2021-11-13 01:28:21,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:21" (1/1) ... [2021-11-13 01:28:21,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:21" (1/1) ... [2021-11-13 01:28:21,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:21" (1/1) ... [2021-11-13 01:28:21,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:21" (1/1) ... [2021-11-13 01:28:21,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:21" (1/1) ... [2021-11-13 01:28:21,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:21" (1/1) ... [2021-11-13 01:28:21,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 01:28:21,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 01:28:21,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 01:28:21,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 01:28:21,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:21" (1/1) ... [2021-11-13 01:28:21,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:28:21,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:28:21,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 01:28:22,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 01:28:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 01:28:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 01:28:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 01:28:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-13 01:28:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-13 01:28:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 01:28:22,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 01:28:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 01:28:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-13 01:28:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 01:28:22,878 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 01:28:22,878 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-11-13 01:28:22,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:28:22 BoogieIcfgContainer [2021-11-13 01:28:22,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 01:28:22,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 01:28:22,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 01:28:22,888 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 01:28:22,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:28:21" (1/3) ... [2021-11-13 01:28:22,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c110407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:28:22, skipping insertion in model container [2021-11-13 01:28:22,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:21" (2/3) ... [2021-11-13 01:28:22,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c110407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:28:22, skipping insertion in model container [2021-11-13 01:28:22,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:28:22" (3/3) ... [2021-11-13 01:28:22,892 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131a.c [2021-11-13 01:28:22,899 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 01:28:22,899 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 01:28:22,954 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 01:28:22,963 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 01:28:22,963 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 01:28:22,982 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 42 states have (on average 1.7619047619047619) internal successors, (74), 43 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:28:22,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 01:28:22,989 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:28:22,990 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:28:22,990 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:28:22,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:28:22,999 INFO L85 PathProgramCache]: Analyzing trace with hash 2096885332, now seen corresponding path program 1 times [2021-11-13 01:28:23,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:28:23,012 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917281141] [2021-11-13 01:28:23,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:28:23,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:28:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:28:23,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:28:23,257 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:28:23,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917281141] [2021-11-13 01:28:23,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917281141] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:28:23,259 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:28:23,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 01:28:23,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708161258] [2021-11-13 01:28:23,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:28:23,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 01:28:23,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:28:23,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 01:28:23,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 01:28:23,314 INFO L87 Difference]: Start difference. First operand has 44 states, 42 states have (on average 1.7619047619047619) internal successors, (74), 43 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:28:23,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:28:23,431 INFO L93 Difference]: Finished difference Result 87 states and 147 transitions. [2021-11-13 01:28:23,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 01:28:23,435 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-13 01:28:23,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:28:23,445 INFO L225 Difference]: With dead ends: 87 [2021-11-13 01:28:23,450 INFO L226 Difference]: Without dead ends: 41 [2021-11-13 01:28:23,454 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 01:28:23,459 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.73ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.96ms IncrementalHoareTripleChecker+Time [2021-11-13 01:28:23,462 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 16 Unknown, 0 Unchecked, 1.73ms Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 65.96ms Time] [2021-11-13 01:28:23,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-11-13 01:28:23,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2021-11-13 01:28:23,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.45) internal successors, (58), 40 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:28:23,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 58 transitions. [2021-11-13 01:28:23,522 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 58 transitions. Word has length 11 [2021-11-13 01:28:23,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:28:23,522 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 58 transitions. [2021-11-13 01:28:23,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:28:23,523 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-13 01:28:23,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 01:28:23,524 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:28:23,524 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:28:23,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 01:28:23,525 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:28:23,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:28:23,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1809409290, now seen corresponding path program 1 times [2021-11-13 01:28:23,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:28:23,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231029941] [2021-11-13 01:28:23,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:28:23,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:28:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 01:28:23,718 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 01:28:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 01:28:23,919 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-13 01:28:23,921 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 01:28:23,925 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 01:28:23,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 01:28:23,932 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-13 01:28:23,937 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 01:28:23,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:28:23 BoogieIcfgContainer [2021-11-13 01:28:23,991 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 01:28:23,992 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 01:28:23,992 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 01:28:23,993 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 01:28:23,993 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:28:22" (3/4) ... [2021-11-13 01:28:23,996 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-13 01:28:23,996 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 01:28:23,998 INFO L158 Benchmark]: Toolchain (without parser) took 2688.95ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 63.6MB in the beginning and 82.3MB in the end (delta: -18.7MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2021-11-13 01:28:23,998 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 107.0MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:28:23,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.33ms. Allocated memory is still 107.0MB. Free memory was 63.4MB in the beginning and 77.5MB in the end (delta: -14.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 01:28:24,000 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.31ms. Allocated memory is still 107.0MB. Free memory was 77.5MB in the beginning and 74.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 01:28:24,001 INFO L158 Benchmark]: Boogie Preprocessor took 99.06ms. Allocated memory is still 107.0MB. Free memory was 74.9MB in the beginning and 72.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 01:28:24,002 INFO L158 Benchmark]: RCFGBuilder took 957.66ms. Allocated memory is still 107.0MB. Free memory was 72.8MB in the beginning and 48.8MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-13 01:28:24,002 INFO L158 Benchmark]: TraceAbstraction took 1107.51ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 48.2MB in the beginning and 82.3MB in the end (delta: -34.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:28:24,003 INFO L158 Benchmark]: Witness Printer took 4.44ms. Allocated memory is still 130.0MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:28:24,007 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 107.0MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 427.33ms. Allocated memory is still 107.0MB. Free memory was 63.4MB in the beginning and 77.5MB in the end (delta: -14.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.31ms. Allocated memory is still 107.0MB. Free memory was 77.5MB in the beginning and 74.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.06ms. Allocated memory is still 107.0MB. Free memory was 74.9MB in the beginning and 72.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 957.66ms. Allocated memory is still 107.0MB. Free memory was 72.8MB in the beginning and 48.8MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1107.51ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 48.2MB in the beginning and 82.3MB in the end (delta: -34.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.44ms. Allocated memory is still 130.0MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 191]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 46, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of someBinaryArithmeticDOUBLEoperation at line 47, overapproximation of bitwiseAnd at line 41, overapproximation of someBinaryDOUBLEComparisonOperation at line 190, overapproximation of bitwiseXor at line 42. Possible FailurePath: [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L182] double y = 1.0 / 0.0; [L183] double x = __VERIFIER_nondet_double(); [L185] CALL isfinite_double(x) [L166] __int32_t hx; VAL [\old(x)=9223372032558759938, one_fmod=1, x=9223372032558759938, Zero_fmod={5:0}] [L168] ieee_double_shape_type gh_u; [L169] gh_u.value = (x) [L170] EXPR gh_u.parts.msw [L170] (hx) = gh_u.parts.msw [L172] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); [L185] RET isfinite_double(x) [L185] COND TRUE isfinite_double(x) [L187] CALL, EXPR fmod_double(x, y) [L26] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L27] __uint32_t lx, ly, lz; VAL [\old(x)=9223372032558759938, \old(y)=9223372032558759939, one_fmod=1, x=9223372032558759938, y=9223372032558759939, Zero_fmod={5:0}] [L30] ieee_double_shape_type ew_u; [L31] ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] (hx) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] (lx) = ew_u.parts.lsw [L36] ieee_double_shape_type ew_u; [L37] ew_u.value = (y) [L38] EXPR ew_u.parts.msw [L38] (hy) = ew_u.parts.msw [L39] EXPR ew_u.parts.lsw [L39] (ly) = ew_u.parts.lsw [L41] sx = hx & 0x80000000 [L42] hx ^= sx [L43] hy &= 0x7fffffff VAL [\old(x)=9223372032558759938, \old(y)=9223372032558759939, lx=9223372032558759941, ly=9223372032558759937, one_fmod=1, sx=14, x=9223372032558759938, y=9223372032558759939, Zero_fmod={5:0}] [L45-L46] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L47] return (x * y) / (x * y); VAL [\old(x)=9223372032558759938, \old(y)=9223372032558759939, hx=2146435072, lx=9223372032558759941, ly=9223372032558759937, one_fmod=1, sx=14, x=9223372032558759938, y=9223372032558759939, Zero_fmod={5:0}] [L187] RET, EXPR fmod_double(x, y) [L187] double res = fmod_double(x, y); [L190] COND TRUE res != x VAL [one_fmod=1, res=9223372032558759940, x=9223372032558759938, y=9223372032558759939, Zero_fmod={5:0}] [L191] reach_error() VAL [one_fmod=1, res=9223372032558759940, x=9223372032558759938, y=9223372032558759939, Zero_fmod={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 65.96ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 51.83ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 46 mSDtfsCounter, 16 mSolverCounterSat, 1.73ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-13 01:28:24,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1131a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b31ce7f7c4676859cda30df478f5c182e9a7ecf5b09749c2174b3af169f370c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:28:26,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:28:26,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:28:27,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:28:27,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:28:27,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:28:27,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:28:27,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:28:27,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:28:27,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:28:27,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:28:27,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:28:27,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:28:27,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:28:27,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:28:27,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:28:27,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:28:27,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:28:27,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:28:27,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:28:27,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:28:27,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:28:27,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:28:27,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:28:27,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:28:27,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:28:27,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:28:27,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:28:27,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:28:27,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:28:27,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:28:27,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:28:27,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:28:27,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:28:27,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:28:27,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:28:27,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:28:27,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:28:27,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:28:27,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:28:27,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:28:27,110 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-13 01:28:27,160 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:28:27,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:28:27,162 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:28:27,162 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:28:27,163 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:28:27,163 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:28:27,163 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:28:27,164 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:28:27,164 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:28:27,164 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:28:27,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:28:27,167 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 01:28:27,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 01:28:27,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:28:27,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:28:27,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:28:27,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:28:27,169 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:28:27,170 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 01:28:27,170 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 01:28:27,170 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 01:28:27,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:28:27,171 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:28:27,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:28:27,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:28:27,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 01:28:27,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:28:27,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:28:27,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:28:27,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:28:27,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:28:27,174 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 01:28:27,174 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 01:28:27,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:28:27,176 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:28:27,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:28:27,176 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b31ce7f7c4676859cda30df478f5c182e9a7ecf5b09749c2174b3af169f370c [2021-11-13 01:28:27,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:28:27,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:28:27,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:28:27,667 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:28:27,668 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:28:27,669 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/float-newlib/double_req_bl_1131a.c [2021-11-13 01:28:27,752 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/data/cb49f16ea/f129ded4e5414f558e21f46722088e1d/FLAGa0b0149fa [2021-11-13 01:28:28,433 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:28:28,440 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c [2021-11-13 01:28:28,457 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/data/cb49f16ea/f129ded4e5414f558e21f46722088e1d/FLAGa0b0149fa [2021-11-13 01:28:28,769 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/data/cb49f16ea/f129ded4e5414f558e21f46722088e1d [2021-11-13 01:28:28,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:28:28,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:28:28,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:28:28,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:28:28,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:28:28,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:28:28" (1/1) ... [2021-11-13 01:28:28,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@451818c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:28, skipping insertion in model container [2021-11-13 01:28:28,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:28:28" (1/1) ... [2021-11-13 01:28:28,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:28:28,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:28:29,186 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c[4189,4202] [2021-11-13 01:28:29,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:28:29,202 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 01:28:29,278 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c[4189,4202] [2021-11-13 01:28:29,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:28:29,320 INFO L208 MainTranslator]: Completed translation [2021-11-13 01:28:29,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:29 WrapperNode [2021-11-13 01:28:29,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:28:29,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 01:28:29,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 01:28:29,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 01:28:29,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:29" (1/1) ... [2021-11-13 01:28:29,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:29" (1/1) ... [2021-11-13 01:28:29,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 01:28:29,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 01:28:29,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 01:28:29,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 01:28:29,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:29" (1/1) ... [2021-11-13 01:28:29,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:29" (1/1) ... [2021-11-13 01:28:29,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:29" (1/1) ... [2021-11-13 01:28:29,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:29" (1/1) ... [2021-11-13 01:28:29,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:29" (1/1) ... [2021-11-13 01:28:29,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:29" (1/1) ... [2021-11-13 01:28:29,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:29" (1/1) ... [2021-11-13 01:28:29,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 01:28:29,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 01:28:29,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 01:28:29,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 01:28:29,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:29" (1/1) ... [2021-11-13 01:28:29,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:28:29,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:28:29,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 01:28:29,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 01:28:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-13 01:28:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-13 01:28:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 01:28:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 01:28:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-11-13 01:28:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 01:28:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 01:28:29,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 01:28:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 01:28:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 01:28:35,075 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 01:28:35,076 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-11-13 01:28:35,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:28:35 BoogieIcfgContainer [2021-11-13 01:28:35,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 01:28:35,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 01:28:35,081 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 01:28:35,085 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 01:28:35,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:28:28" (1/3) ... [2021-11-13 01:28:35,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a5307e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:28:35, skipping insertion in model container [2021-11-13 01:28:35,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:29" (2/3) ... [2021-11-13 01:28:35,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a5307e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:28:35, skipping insertion in model container [2021-11-13 01:28:35,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:28:35" (3/3) ... [2021-11-13 01:28:35,089 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131a.c [2021-11-13 01:28:35,096 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 01:28:35,096 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 01:28:35,149 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 01:28:35,157 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 01:28:35,158 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 01:28:35,176 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 58 states have (on average 1.793103448275862) internal successors, (104), 59 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:28:35,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 01:28:35,182 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:28:35,183 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:28:35,184 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:28:35,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:28:35,190 INFO L85 PathProgramCache]: Analyzing trace with hash 2036387893, now seen corresponding path program 1 times [2021-11-13 01:28:35,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:28:35,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1716118656] [2021-11-13 01:28:35,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:28:35,206 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:28:35,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:28:35,212 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:28:35,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 01:28:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:28:36,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 01:28:36,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:28:36,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:28:36,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:28:36,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:28:36,813 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:28:36,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1716118656] [2021-11-13 01:28:36,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1716118656] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:28:36,814 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:28:36,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-13 01:28:36,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507526265] [2021-11-13 01:28:36,817 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:28:36,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 01:28:36,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:28:36,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 01:28:36,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 01:28:36,875 INFO L87 Difference]: Start difference. First operand has 60 states, 58 states have (on average 1.793103448275862) internal successors, (104), 59 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:28:36,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:28:36,919 INFO L93 Difference]: Finished difference Result 118 states and 206 transitions. [2021-11-13 01:28:36,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 01:28:36,921 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-13 01:28:36,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:28:36,932 INFO L225 Difference]: With dead ends: 118 [2021-11-13 01:28:36,933 INFO L226 Difference]: Without dead ends: 56 [2021-11-13 01:28:36,936 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 01:28:36,941 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.19ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-13 01:28:36,942 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 2.19ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-13 01:28:36,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-11-13 01:28:36,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2021-11-13 01:28:36,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.490909090909091) internal successors, (82), 55 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:28:36,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 82 transitions. [2021-11-13 01:28:36,983 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 82 transitions. Word has length 13 [2021-11-13 01:28:36,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:28:36,984 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 82 transitions. [2021-11-13 01:28:36,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:28:36,985 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2021-11-13 01:28:36,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 01:28:36,986 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:28:36,986 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:28:37,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 01:28:37,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:28:37,188 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:28:37,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:28:37,189 INFO L85 PathProgramCache]: Analyzing trace with hash -794890891, now seen corresponding path program 1 times [2021-11-13 01:28:37,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:28:37,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1795962399] [2021-11-13 01:28:37,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:28:37,190 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:28:37,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:28:37,204 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:28:37,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 01:28:38,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:28:38,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-13 01:28:38,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:28:38,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-11-13 01:28:41,469 INFO L354 Elim1Store]: treesize reduction 34, result has 30.6 percent of original size [2021-11-13 01:28:41,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 71 [2021-11-13 01:28:42,942 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:42,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 102 treesize of output 112 [2021-11-13 01:28:43,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-11-13 01:28:43,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-11-13 01:28:48,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:28:48,884 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:28:58,300 INFO L354 Elim1Store]: treesize reduction 52, result has 64.1 percent of original size [2021-11-13 01:28:58,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 8 case distinctions, treesize of input 228 treesize of output 203 [2021-11-13 01:28:58,484 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:58,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 203 treesize of output 217 [2021-11-13 01:28:58,690 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:58,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 217 treesize of output 229 [2021-11-13 01:28:59,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-13 01:28:59,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 58 [2021-11-13 01:29:01,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:29:01,503 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:29:01,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1795962399] [2021-11-13 01:29:01,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1795962399] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:29:01,505 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:29:01,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 18 [2021-11-13 01:29:01,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221821028] [2021-11-13 01:29:01,506 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:29:01,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-13 01:29:01,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:29:01,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-13 01:29:01,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=262, Unknown=1, NotChecked=0, Total=306 [2021-11-13 01:29:01,510 INFO L87 Difference]: Start difference. First operand 56 states and 82 transitions. Second operand has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 18 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:29:02,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:29:02,233 INFO L93 Difference]: Finished difference Result 60 states and 85 transitions. [2021-11-13 01:29:02,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 01:29:02,235 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 18 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-13 01:29:02,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:29:02,236 INFO L225 Difference]: With dead ends: 60 [2021-11-13 01:29:02,236 INFO L226 Difference]: Without dead ends: 56 [2021-11-13 01:29:02,237 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=43, Invalid=262, Unknown=1, NotChecked=0, Total=306 [2021-11-13 01:29:02,239 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 1 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 650.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.60ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 87 IncrementalHoareTripleChecker+Unchecked, 694.58ms IncrementalHoareTripleChecker+Time [2021-11-13 01:29:02,240 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 706 Invalid, 165 Unknown, 0 Unchecked, 6.60ms Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 87 Unchecked, 694.58ms Time] [2021-11-13 01:29:02,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-11-13 01:29:02,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2021-11-13 01:29:02,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.4727272727272727) internal successors, (81), 55 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:29:02,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2021-11-13 01:29:02,250 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 16 [2021-11-13 01:29:02,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:29:02,251 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2021-11-13 01:29:02,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 18 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:29:02,251 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2021-11-13 01:29:02,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 01:29:02,252 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:29:02,253 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:29:02,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-13 01:29:02,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:29:02,454 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:29:02,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:29:02,454 INFO L85 PathProgramCache]: Analyzing trace with hash 467286736, now seen corresponding path program 1 times [2021-11-13 01:29:02,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:29:02,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1527949479] [2021-11-13 01:29:02,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:29:02,455 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:29:02,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:29:02,456 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:29:02,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 01:29:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:29:02,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-13 01:29:02,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:29:04,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:29:04,912 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:29:06,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:29:06,518 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:29:06,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1527949479] [2021-11-13 01:29:06,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1527949479] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:29:06,519 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:29:06,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 16 [2021-11-13 01:29:06,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132098650] [2021-11-13 01:29:06,520 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:29:06,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-13 01:29:06,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:29:06,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-13 01:29:06,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2021-11-13 01:29:06,523 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand has 16 states, 16 states have (on average 2.125) internal successors, (34), 16 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:29:07,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:29:07,929 INFO L93 Difference]: Finished difference Result 62 states and 86 transitions. [2021-11-13 01:29:07,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 01:29:07,930 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.125) internal successors, (34), 16 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-13 01:29:07,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:29:07,931 INFO L225 Difference]: With dead ends: 62 [2021-11-13 01:29:07,931 INFO L226 Difference]: Without dead ends: 58 [2021-11-13 01:29:07,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2021-11-13 01:29:07,934 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 112 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 498.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.06ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 37 IncrementalHoareTripleChecker+Unchecked, 512.45ms IncrementalHoareTripleChecker+Time [2021-11-13 01:29:07,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 649 Invalid, 43 Unknown, 0 Unchecked, 4.06ms Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 37 Unchecked, 512.45ms Time] [2021-11-13 01:29:07,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-11-13 01:29:07,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 56. [2021-11-13 01:29:07,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 55 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:29:07,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 80 transitions. [2021-11-13 01:29:07,955 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 80 transitions. Word has length 18 [2021-11-13 01:29:07,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:29:07,956 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 80 transitions. [2021-11-13 01:29:07,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.125) internal successors, (34), 16 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:29:07,958 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 80 transitions. [2021-11-13 01:29:07,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 01:29:07,960 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:29:07,960 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:29:07,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-13 01:29:08,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:29:08,168 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:29:08,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:29:08,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1596694380, now seen corresponding path program 1 times [2021-11-13 01:29:08,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:29:08,169 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1741772840] [2021-11-13 01:29:08,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:29:08,169 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:29:08,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:29:08,170 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:29:08,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 01:29:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:29:08,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-13 01:29:08,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:29:09,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:29:09,506 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:29:14,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:29:14,160 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:29:14,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1741772840] [2021-11-13 01:29:14,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1741772840] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:29:14,160 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:29:14,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-13 01:29:14,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751102895] [2021-11-13 01:29:14,161 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:29:14,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:29:14,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:29:14,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:29:14,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:29:14,163 INFO L87 Difference]: Start difference. First operand 56 states and 80 transitions. Second operand has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:29:14,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:29:14,646 INFO L93 Difference]: Finished difference Result 96 states and 142 transitions. [2021-11-13 01:29:14,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 01:29:14,648 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-13 01:29:14,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:29:14,649 INFO L225 Difference]: With dead ends: 96 [2021-11-13 01:29:14,649 INFO L226 Difference]: Without dead ends: 54 [2021-11-13 01:29:14,652 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:29:14,653 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 1 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 444.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.34ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 56 IncrementalHoareTripleChecker+Unchecked, 470.90ms IncrementalHoareTripleChecker+Time [2021-11-13 01:29:14,654 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 517 Invalid, 114 Unknown, 0 Unchecked, 2.34ms Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 56 Unchecked, 470.90ms Time] [2021-11-13 01:29:14,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-11-13 01:29:14,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-11-13 01:29:14,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 53 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:29:14,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 76 transitions. [2021-11-13 01:29:14,660 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 76 transitions. Word has length 19 [2021-11-13 01:29:14,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:29:14,660 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 76 transitions. [2021-11-13 01:29:14,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:29:14,661 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2021-11-13 01:29:14,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 01:29:14,662 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:29:14,662 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:29:14,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 01:29:14,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:29:14,875 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:29:14,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:29:14,876 INFO L85 PathProgramCache]: Analyzing trace with hash 690157958, now seen corresponding path program 1 times [2021-11-13 01:29:14,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:29:14,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [470049527] [2021-11-13 01:29:14,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:29:14,877 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:29:14,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:29:14,877 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:29:14,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 01:29:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:29:15,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-13 01:29:15,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:29:16,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:29:16,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:29:28,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:29:28,606 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:29:28,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [470049527] [2021-11-13 01:29:28,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [470049527] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:29:28,607 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:29:28,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-13 01:29:28,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266304709] [2021-11-13 01:29:28,608 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:29:28,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:29:28,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:29:28,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:29:28,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:29:28,610 INFO L87 Difference]: Start difference. First operand 54 states and 76 transitions. Second operand has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:29:28,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:29:28,613 INFO L93 Difference]: Finished difference Result 54 states and 76 transitions. [2021-11-13 01:29:28,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 01:29:28,614 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-13 01:29:28,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:29:28,614 INFO L225 Difference]: With dead ends: 54 [2021-11-13 01:29:28,614 INFO L226 Difference]: Without dead ends: 0 [2021-11-13 01:29:28,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-11-13 01:29:28,617 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 1 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.26ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.01ms IncrementalHoareTripleChecker+Time [2021-11-13 01:29:28,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 44 Invalid, 6 Unknown, 0 Unchecked, 0.26ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 6 Unchecked, 0.01ms Time] [2021-11-13 01:29:28,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-13 01:29:28,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-13 01:29:28,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:29:28,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 01:29:28,619 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2021-11-13 01:29:28,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:29:28,620 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 01:29:28,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:29:28,621 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-13 01:29:28,621 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 01:29:28,624 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 01:29:28,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-13 01:29:28,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:29:28,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-13 01:29:29,349 INFO L858 garLoopResultBuilder]: For program point L35-2(lines 35 40) no Hoare annotation was computed. [2021-11-13 01:29:29,349 INFO L854 garLoopResultBuilder]: At program point L68-3(lines 68 69) the Hoare annotation is: false [2021-11-13 01:29:29,349 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-13 01:29:29,349 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 194) no Hoare annotation was computed. [2021-11-13 01:29:29,350 INFO L858 garLoopResultBuilder]: For program point L185-2(lines 185 194) no Hoare annotation was computed. [2021-11-13 01:29:29,350 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 136 141) no Hoare annotation was computed. [2021-11-13 01:29:29,350 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 103 117) no Hoare annotation was computed. [2021-11-13 01:29:29,350 INFO L854 garLoopResultBuilder]: At program point L136-2(lines 136 141) the Hoare annotation is: false [2021-11-13 01:29:29,351 INFO L858 garLoopResultBuilder]: For program point L103-3(lines 103 117) no Hoare annotation was computed. [2021-11-13 01:29:29,351 INFO L858 garLoopResultBuilder]: For program point L120(lines 120 121) no Hoare annotation was computed. [2021-11-13 01:29:29,351 INFO L858 garLoopResultBuilder]: For program point L120-2(lines 25 163) no Hoare annotation was computed. [2021-11-13 01:29:29,351 INFO L858 garLoopResultBuilder]: For program point L71-2(lines 71 72) no Hoare annotation was computed. [2021-11-13 01:29:29,352 INFO L854 garLoopResultBuilder]: At program point L71-3(lines 71 72) the Hoare annotation is: false [2021-11-13 01:29:29,352 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 159) no Hoare annotation was computed. [2021-11-13 01:29:29,352 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 142 161) no Hoare annotation was computed. [2021-11-13 01:29:29,352 INFO L858 garLoopResultBuilder]: For program point L154-2(lines 154 159) no Hoare annotation was computed. [2021-11-13 01:29:29,352 INFO L858 garLoopResultBuilder]: For program point L55(lines 25 163) no Hoare annotation was computed. [2021-11-13 01:29:29,353 INFO L858 garLoopResultBuilder]: For program point L122-1(lines 25 163) no Hoare annotation was computed. [2021-11-13 01:29:29,353 INFO L858 garLoopResultBuilder]: For program point L56(lines 56 62) no Hoare annotation was computed. [2021-11-13 01:29:29,353 INFO L854 garLoopResultBuilder]: At program point L172(lines 165 173) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5|))) (let ((.cse0 (select .cse1 (_ bv4 32)))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|)) |ULTIMATE.start_main_~x~0#1|) (= (bvlshr (bvadd (bvand (_ bv2147483647 32) .cse0) (_ bv2148532224 32)) (_ bv31 32)) |ULTIMATE.start_isfinite_double_#res#1|) (= (select .cse1 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_9|)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|) .cse0))))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_main_~y~0#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) [2021-11-13 01:29:29,353 INFO L858 garLoopResultBuilder]: For program point L106(lines 106 107) no Hoare annotation was computed. [2021-11-13 01:29:29,354 INFO L858 garLoopResultBuilder]: For program point L106-2(lines 103 117) no Hoare annotation was computed. [2021-11-13 01:29:29,354 INFO L858 garLoopResultBuilder]: For program point L57-2(lines 57 58) no Hoare annotation was computed. [2021-11-13 01:29:29,354 INFO L854 garLoopResultBuilder]: At program point L57-3(lines 57 58) the Hoare annotation is: false [2021-11-13 01:29:29,354 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-13 01:29:29,355 INFO L858 garLoopResultBuilder]: For program point L190(lines 190 193) no Hoare annotation was computed. [2021-11-13 01:29:29,355 INFO L854 garLoopResultBuilder]: At program point L108-1(lines 103 117) the Hoare annotation is: false [2021-11-13 01:29:29,355 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-11-13 01:29:29,355 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-11-13 01:29:29,355 INFO L858 garLoopResultBuilder]: For program point L93-2(lines 89 100) no Hoare annotation was computed. [2021-11-13 01:29:29,356 INFO L858 garLoopResultBuilder]: For program point L60-2(lines 60 61) no Hoare annotation was computed. [2021-11-13 01:29:29,356 INFO L854 garLoopResultBuilder]: At program point L60-3(lines 60 61) the Hoare annotation is: false [2021-11-13 01:29:29,356 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-13 01:29:29,356 INFO L858 garLoopResultBuilder]: For program point L144(lines 144 153) no Hoare annotation was computed. [2021-11-13 01:29:29,356 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 47) no Hoare annotation was computed. [2021-11-13 01:29:29,357 INFO L858 garLoopResultBuilder]: For program point L29-1(lines 29 34) no Hoare annotation was computed. [2021-11-13 01:29:29,357 INFO L854 garLoopResultBuilder]: At program point L29-2(lines 29 34) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_fmod_double_~y#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) (= |ULTIMATE.start_fmod_double_~x#1| |ULTIMATE.start_main_~x~0#1|) (exists ((|v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (let ((.cse0 (select |#memory_int| |v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5|))) (let ((.cse1 (select .cse0 (_ bv4 32)))) (and (= |ULTIMATE.start_fmod_double_~x#1| (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= (select .cse0 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_9|)) (not (= (bvlshr (bvadd (bvand (_ bv2147483647 32) .cse1) (_ bv2148532224 32)) (_ bv31 32)) (_ bv0 32))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|) .cse1)))))) [2021-11-13 01:29:29,357 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 113) no Hoare annotation was computed. [2021-11-13 01:29:29,358 INFO L854 garLoopResultBuilder]: At program point L162(lines 25 163) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 64))) (and (not (= (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_12|)) (_ bv2148532224 32)) (_ bv31 32)) (_ bv0 32))) (= |ULTIMATE.start_main_~x~0#1| (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_12|))))) (= |ULTIMATE.start_fmod_double_#res#1| |ULTIMATE.start_main_~x~0#1|)) [2021-11-13 01:29:29,358 INFO L854 garLoopResultBuilder]: At program point L129-2(lines 129 133) the Hoare annotation is: false [2021-11-13 01:29:29,358 INFO L858 garLoopResultBuilder]: For program point L129-3(lines 25 163) no Hoare annotation was computed. [2021-11-13 01:29:29,358 INFO L861 garLoopResultBuilder]: At program point L196(lines 175 197) the Hoare annotation is: true [2021-11-13 01:29:29,358 INFO L858 garLoopResultBuilder]: For program point L147(lines 147 153) no Hoare annotation was computed. [2021-11-13 01:29:29,359 INFO L858 garLoopResultBuilder]: For program point L81(lines 81 87) no Hoare annotation was computed. [2021-11-13 01:29:29,359 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 53) no Hoare annotation was computed. [2021-11-13 01:29:29,359 INFO L858 garLoopResultBuilder]: For program point L81-2(lines 25 163) no Hoare annotation was computed. [2021-11-13 01:29:29,359 INFO L858 garLoopResultBuilder]: For program point L48-2(lines 25 163) no Hoare annotation was computed. [2021-11-13 01:29:29,360 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-13 01:29:29,360 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 191) no Hoare annotation was computed. [2021-11-13 01:29:29,360 INFO L858 garLoopResultBuilder]: For program point L49(lines 49 50) no Hoare annotation was computed. [2021-11-13 01:29:29,360 INFO L858 garLoopResultBuilder]: For program point L66(lines 25 163) no Hoare annotation was computed. [2021-11-13 01:29:29,360 INFO L858 garLoopResultBuilder]: For program point L67(lines 67 73) no Hoare annotation was computed. [2021-11-13 01:29:29,361 INFO L858 garLoopResultBuilder]: For program point L51(lines 51 52) no Hoare annotation was computed. [2021-11-13 01:29:29,361 INFO L858 garLoopResultBuilder]: For program point L167-1(lines 167 171) no Hoare annotation was computed. [2021-11-13 01:29:29,361 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 161) no Hoare annotation was computed. [2021-11-13 01:29:29,361 INFO L854 garLoopResultBuilder]: At program point L167-2(lines 167 171) the Hoare annotation is: (and (= |ULTIMATE.start_isfinite_double_~x#1| |ULTIMATE.start_main_~x~0#1|) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_main_~y~0#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) [2021-11-13 01:29:29,362 INFO L858 garLoopResultBuilder]: For program point L167-3(lines 167 171) no Hoare annotation was computed. [2021-11-13 01:29:29,362 INFO L858 garLoopResultBuilder]: For program point L35(lines 35 40) no Hoare annotation was computed. [2021-11-13 01:29:29,362 INFO L858 garLoopResultBuilder]: For program point L35-1(lines 25 163) no Hoare annotation was computed. [2021-11-13 01:29:29,362 INFO L858 garLoopResultBuilder]: For program point L68-2(lines 68 69) no Hoare annotation was computed. [2021-11-13 01:29:29,366 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-13 01:29:29,368 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 01:29:29,376 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 01:29:29,377 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 01:29:29,385 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 01:29:29,385 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 01:29:29,388 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,388 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,389 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,389 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] [2021-11-13 01:29:29,389 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] [2021-11-13 01:29:29,390 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,390 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,390 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] [2021-11-13 01:29:29,390 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 01:29:29,391 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 01:29:29,392 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,392 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,392 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,392 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] [2021-11-13 01:29:29,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] [2021-11-13 01:29:29,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] [2021-11-13 01:29:29,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 01:29:29,394 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 01:29:29,395 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-13 01:29:29,396 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-13 01:29:29,396 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-13 01:29:29,396 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-13 01:29:29,397 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-13 01:29:29,397 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-13 01:29:29,397 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-13 01:29:29,397 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-13 01:29:29,399 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 01:29:29,400 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 01:29:29,400 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,400 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,400 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,401 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] [2021-11-13 01:29:29,401 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,401 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] [2021-11-13 01:29:29,401 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,402 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] [2021-11-13 01:29:29,402 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 01:29:29,403 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 01:29:29,403 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,403 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,403 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,404 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] [2021-11-13 01:29:29,404 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,404 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] [2021-11-13 01:29:29,404 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,405 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] [2021-11-13 01:29:29,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:29:29 BoogieIcfgContainer [2021-11-13 01:29:29,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 01:29:29,407 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 01:29:29,407 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 01:29:29,407 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 01:29:29,408 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:28:35" (3/4) ... [2021-11-13 01:29:29,411 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 01:29:29,427 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-11-13 01:29:29,427 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-13 01:29:29,427 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 01:29:29,428 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 01:29:29,456 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == x && (\exists currentRoundingMode : FloatRoundingMode :: y == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2021-11-13 01:29:29,456 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5 : bv32, v_skolemized_q#valueAsBitvector_9 : bv64 :: ((~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == x && ~bvlshr32(~bvadd64(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5][4bv32]), 2148532224bv32), 31bv32) == \result) && unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5][0bv32] == v_skolemized_q#valueAsBitvector_9[31:0]) && v_skolemized_q#valueAsBitvector_9[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5][4bv32]) && (\exists currentRoundingMode : FloatRoundingMode :: y == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2021-11-13 01:29:29,457 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists currentRoundingMode : FloatRoundingMode :: y == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && x == x) && (\exists v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5 : bv32, v_skolemized_q#valueAsBitvector_9 : bv64 :: ((x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) && unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5][0bv32] == v_skolemized_q#valueAsBitvector_9[31:0]) && !(~bvlshr32(~bvadd64(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5][4bv32]), 2148532224bv32), 31bv32) == 0bv32)) && v_skolemized_q#valueAsBitvector_9[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5][4bv32]) [2021-11-13 01:29:29,469 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-13 01:29:29,469 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 01:29:29,470 INFO L158 Benchmark]: Toolchain (without parser) took 60694.77ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 39.7MB in the beginning and 27.4MB in the end (delta: 12.3MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2021-11-13 01:29:29,471 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 60.8MB. Free memory was 42.0MB in the beginning and 41.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:29:29,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.11ms. Allocated memory is still 60.8MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 104.9kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 01:29:29,472 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.90ms. Allocated memory is still 60.8MB. Free memory was 39.1MB in the beginning and 36.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 01:29:29,472 INFO L158 Benchmark]: Boogie Preprocessor took 50.49ms. Allocated memory is still 60.8MB. Free memory was 36.9MB in the beginning and 34.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:29:29,473 INFO L158 Benchmark]: RCFGBuilder took 5609.88ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 34.6MB in the beginning and 44.3MB in the end (delta: -9.7MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2021-11-13 01:29:29,473 INFO L158 Benchmark]: TraceAbstraction took 54324.77ms. Allocated memory is still 75.5MB. Free memory was 44.0MB in the beginning and 30.4MB in the end (delta: 13.6MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2021-11-13 01:29:29,474 INFO L158 Benchmark]: Witness Printer took 62.73ms. Allocated memory is still 75.5MB. Free memory was 30.4MB in the beginning and 27.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 01:29:29,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 60.8MB. Free memory was 42.0MB in the beginning and 41.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 542.11ms. Allocated memory is still 60.8MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 104.9kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.90ms. Allocated memory is still 60.8MB. Free memory was 39.1MB in the beginning and 36.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.49ms. Allocated memory is still 60.8MB. Free memory was 36.9MB in the beginning and 34.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 5609.88ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 34.6MB in the beginning and 44.3MB in the end (delta: -9.7MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * TraceAbstraction took 54324.77ms. Allocated memory is still 75.5MB. Free memory was 44.0MB in the beginning and 30.4MB in the end (delta: 13.6MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * Witness Printer took 62.73ms. Allocated memory is still 75.5MB. Free memory was 30.4MB in the beginning and 27.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 191]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 54.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 1677.94ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 115 mSDsluCounter, 2003 SdHoareTripleChecker+Invalid, 1593.03ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 186 IncrementalHoareTripleChecker+Unchecked, 1689 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 142 IncrementalHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 314 mSDtfsCounter, 142 mSolverCounterSat, 15.44ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 178 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 28.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 17 NumberOfFragments, 151 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 43 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 46.7s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 176 ConstructedInterpolants, 79 QuantifiedInterpolants, 3066 SizeOfPredicates, 48 NumberOfNonLiveVariables, 404 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 167]: Loop Invariant [2021-11-13 01:29:29,495 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 01:29:29,495 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 01:29:29,496 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 01:29:29,496 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: x == x && (\exists currentRoundingMode : FloatRoundingMode :: y == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant [2021-11-13 01:29:29,498 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,498 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,498 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,499 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] [2021-11-13 01:29:29,499 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] [2021-11-13 01:29:29,499 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,499 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,499 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] [2021-11-13 01:29:29,500 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 01:29:29,500 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 01:29:29,501 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,501 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,501 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,501 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] [2021-11-13 01:29:29,502 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] [2021-11-13 01:29:29,502 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,502 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,502 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] [2021-11-13 01:29:29,502 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 01:29:29,503 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (\exists v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5 : bv32, v_skolemized_q#valueAsBitvector_9 : bv64 :: ((~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == x && ~bvlshr32(~bvadd64(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5][4bv32]), 2148532224bv32), 31bv32) == \result) && unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5][0bv32] == v_skolemized_q#valueAsBitvector_9[31:0]) && v_skolemized_q#valueAsBitvector_9[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5][4bv32]) && (\exists currentRoundingMode : FloatRoundingMode :: y == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 25]: Loop Invariant [2021-11-13 01:29:29,504 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-13 01:29:29,504 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-13 01:29:29,504 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-13 01:29:29,504 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-13 01:29:29,505 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-13 01:29:29,505 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-13 01:29:29,505 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-13 01:29:29,506 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] Derived loop invariant: (\exists v_skolemized_q#valueAsBitvector_12 : bv64 :: !(~bvlshr32(~bvadd64(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_12[63:32]), 2148532224bv32), 31bv32) == 0bv32) && x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0])) && \result == x - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant [2021-11-13 01:29:29,506 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 01:29:29,507 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 01:29:29,507 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,507 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,507 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,507 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] [2021-11-13 01:29:29,508 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,508 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] [2021-11-13 01:29:29,508 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,508 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] [2021-11-13 01:29:29,509 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 01:29:29,509 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-13 01:29:29,509 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,510 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,510 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,510 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] [2021-11-13 01:29:29,510 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,510 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] [2021-11-13 01:29:29,511 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-13 01:29:29,511 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5,QUANTIFIED] Derived loop invariant: ((\exists currentRoundingMode : FloatRoundingMode :: y == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && x == x) && (\exists v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5 : bv32, v_skolemized_q#valueAsBitvector_9 : bv64 :: ((x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) && unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5][0bv32] == v_skolemized_q#valueAsBitvector_9[31:0]) && !(~bvlshr32(~bvadd64(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5][4bv32]), 2148532224bv32), 31bv32) == 0bv32)) && v_skolemized_q#valueAsBitvector_9[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~0#1.base_5][4bv32]) RESULT: Ultimate proved your program to be correct! [2021-11-13 01:29:29,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfa02be-0328-4468-b54c-d2ee045ef651/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE